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    CVE-2005-0593

    Firefox before 1.0.1 and Mozilla before 1.7.6 allows remote attackers to spoof the SSL "secure site" lock icon via (1) a web site that does not finish loading, which shows the lock of the previous site, (2) a non-HTTP server that uses SSL, which causes the lock to be displayed when the SSL handshake is completed, or (3) a URL that generates an HTTP 204 error, which updates the icon and location information but does not change the display of the original site.

    Published:Feb 24, 2005
    Last Modified:Apr 16, 2026
    EPS:Feb 28, 2005
    EPSS Score:0.01252
    CVSS Score:2.6

    Affected Products

    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Mozilla
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-84142 (CVSS 9.8) — Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or a…
    CVE-2026-84141 (CVSS 9.8) — Integer overflow in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 155, Firefox ESR…
    CVE-2026-84140 (CVSS 9.8) — Site isolation issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ES…
    CVE-2026-84139 (CVSS 6.1) — Clickjacking issue in the DOM: Events component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.…
    CVE-2026-84138 (CVSS 6.5) — Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155…
    CVE-2026-84137 (CVSS 4.3) — Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 155, Firefox ESR 153…
    CVE-2026-84136 (CVSS 6.1) — Other issue in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 153.2, …
    CVE-2026-84135 (CVSS 9.8) — Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.…

    References

    http://www.gentoo.org/security/en/glsa/glsa-200503-10.xml
    http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml
    http://www.mozilla.org/security/announce/mfsa2005-14.html
    http://www.redhat.com/support/errata/RHSA-2005-176.html
    http://www.redhat.com/support/errata/RHSA-2005-384.html
    http://www.securityfocus.com/bid/12659
    https://bugzilla.mozilla.org/show_bug.cgi?id=258048
    https://bugzilla.mozilla.org/show_bug.cgi?id=268483
    https://bugzilla.mozilla.org/show_bug.cgi?id=276720
    https://bugzilla.mozilla.org/show_bug.cgi?id=277564
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100044
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9533
    http://www.gentoo.org/security/en/glsa/glsa-200503-10.xml
    http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml
    http://www.mozilla.org/security/announce/mfsa2005-14.html
    http://www.redhat.com/support/errata/RHSA-2005-176.html
    http://www.redhat.com/support/errata/RHSA-2005-384.html
    http://www.securityfocus.com/bid/12659
    https://bugzilla.mozilla.org/show_bug.cgi?id=258048
    https://bugzilla.mozilla.org/show_bug.cgi?id=268483
    https://bugzilla.mozilla.org/show_bug.cgi?id=276720
    https://bugzilla.mozilla.org/show_bug.cgi?id=277564
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100044
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9533

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High